| NBGEX | VISGX | NBGEX / VISGX | |
| Total Expense Ratio | 1.09 | 0.19 | 574% |
| Annual Report Gross Expense Ratio | 1.09 | 0.19 | 574% |
| Fund Existence | 32 years | 28 years | - |
| Gain YTD | 5.405 | 4.171 | 130% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 3000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.49B | 39.3B | 22% |
| Annual Yield % from dividends | 0.09 | 0.41 | 22% |
| Returns for 1 year | -13.16 | 8.90 | -148% |
| Returns for 3 years | -7.44 | 37.14 | -20% |
| Returns for 5 years | -24.59 | 9.24 | -266% |
| Returns for 10 years | 21.76 | 204.50 | 11% |